#include<iostream>
using namespace std;
int main()
{
	int i;
	char s[100]="";
	gets(s);
	for(i=0;s[i]!='\0';i++)
	{
		if(s[i]>='a'&&s[i]<='z')
		    s[i]=(s[i]+2-'a')%26+'a';
		else if(s[i]>='A'&&s[i]<='Z')
		    s[i]=(s[i]+2-'A')%26+'A';
		else if(s[i]>='0'&&s[i]<='9')
		    s[i]=(s[i]+2-'0')%10+'0';
	}
	puts(s);
	return 0;
 } 
